.header {
	position: fixed;
	top: 0;
	left: 0;
	z-index: 2;
	width: 100%;
	min-width: 1200px;
	height: 60px;
  padding: 0 15px;
  background-color: #fff;
  border-bottom: 1px solid #ddd;
  box-sizing: border-box;
}